A. Acrylonitrile and butadiene
B. Acrylonitrile and styrene
C. Isobutylene and isoprene
D. None of these
Related Mcqs:
- Styrene-butadiene-rubber (SBR) as compared to natural rubber has________________?
A. Poorer tensile strength
B. Poorer resistance to oxidation
C. Greater amount of heat build-up under heavy loading
D. All A , B. and C. - Phenol formaldehyde is produced by condensation polymerisation. It is also known as_____________________?
A. Teflon
B. Bakelite
C. Polyester
D. Nylon-66 - Styrene is produced from ethyl benzene by the process of__________________?
A. Dehydrogenation
B. Oxidation
C. Alkylation
D. Dehydration - Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called___________________?
A. Polyurethane
B. Silicone
C. Teflon
D. Epoxy resin - 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at _____________ °C ?
A. < 0
B. 10-30
C. 250-280
D. 500-600 - Polythene is a/an ______________ polymerisation product?
A. Addition
B. Condensation
C. Thermosetting
D. None of these - Starting material for the production of styrene butadiene rubber (SBR) is________________?
A. Ethyl alcohol
B. Ethylene
C. Both A. & B.
D. Neither A. nor B. - ____________________ of rubber decreases after its vulcanisation?
A. Resistance to the action of organic solvent
B. Tackiness
C. Maximum service temperature
D. Tensile strength - The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?
A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation - Most commonly used rubber vulcanising agent is___________________?
A. Sulphur
B. Bromine
C. Platinum
D. Alumina
